JPH0754096Y2 - Device for cutting the closed part of the package - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for cutting a closing portion of a package for trimming the lengths of the bag mouth closing portion of the package.

[0002]

2. Description of the Related Art A bag closing device having a device for squeezing the mouth of a bag carried by a conveyor and a device for applying a twistable string to the mouth of the squeezed bag is disclosed in JP-B-52-3935.
Known as No. 9. However, if the mouth of the bag is simply tied, the length from the closed portion of the bag varies, and the appearance is not good.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to install a bag closing device continuously and integrally, and to obtain a good-looking package by trimming the length from the closing part. It is an object of the present invention to provide a device for cutting a closed portion of a package capable of performing the above.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, a device for cutting a closed portion of a package according to the present invention comprises a conveyor for transferring a storage portion of the package having a bag mouth closing portion, and the package. A sandwiching belt that sandwiches the bag mouth end of the body and moves in synchronization with the conveyor, and is disposed between the sandwiching belt and the conveyor, and the bag mouth end of the package and the bag mouth are closed. And a conveyor chain that supports the space between the conveyor section and the conveyor belt and moves in synchronization with the sandwiching belt, and the blade edge is inclined so as to approach the conveyor chain in the traveling direction of the conveyor chain, and along the conveyor direction of the conveyor chain. And a cutter blade that is fixed in place, and a package pressing portion is projected on the outer surface of the transport chain at appropriate intervals, and a groove along which the cutter blade passes is provided in the package pressing portion along the transport direction. Form

[0005]

[Operation] When the package transferred by the conveyor, the transport chain and the sandwiching belt enters below the cutter blade,
The package is sandwiched between the carrier chain and the cutter blade between the bag mouth closing portion and the tip portion, and the cutter blade cuts the bag mouth from the bag closing portion to a certain length. Further, at this time, the package pressing portion pushes the package in the conveying direction to prevent the package from moving backward due to the pressure of the cutter blade, and the cutter blade that has cut the package passes through the concave groove of the pressing portion.

[0006]

Embodiments of the present invention will be described in detail below with reference to the drawings. In FIG. 1, a device 1 for cutting a closed portion of a package
Is a conveyor 3 that carries the storage portion 8 of the packaging body 2 in which articles such as vegetables and confectionery are stored and is conveyed in the horizontal direction, and the bag mouth end of the packaging body 2 is sandwiched from above and below to be parallel to the conveyor 3. The sandwiching belt 4 that rotates in synchronism, and the sandwiching belt 4 and the conveyor 3 are arranged in parallel with each other, and the conveyor 2 and the sandwiching belt 4 support the packaging body 2 from below.
First and second transport chains 5, 6 that rotate in synchronization with
And above the first transport chain 5, the blade edge is tilted so as to approach the first transport chain 5 in the traveling direction of the first transport chain 5 and fixed along the transport direction of the first transport chain 5. And the cutter blade 7 is cut.

The conveyor 3 is adapted to carry the storage portion 8 of the package 2 and rotate on an endless track to horizontally transfer the storage portion 8 of the package 2 along the arrow a.

The holding belts 4 are arranged in parallel from one side of the conveyor 3 and are driven by pulleys 9 and 10 which rotate in opposite directions to each other as shown in FIG. Upper and lower V that clamp the tip of body 2
It is composed of belts 11 and 12, and the tip of the bag mouth of the package 2 is transported in the direction of arrow a at the same speed as the conveyor 3.

The first transport chain 5 is arranged parallel to the sandwich belt 4 between the conveyor 3 and the sandwich belt 4, and also shares a rotary shaft with the pulley 10 for driving the V belt 12 below. The roller chain is wound around one of the two chain sprockets 18, and a package pressing portion 13 is provided on the outer surface of the chain sprocket 18 at appropriate intervals. The recessed groove 14 is formed along the conveying direction of the package, and the bottom surface of the recessed groove 14 is formed to have substantially the same height as or slightly lower than the upper surface of the first conveyor chain 5.

The second conveyor chain 6 is arranged in parallel to the conveyor 3 between the conveyor 3 and the sandwiching belt 4 and is a roller chain wound around the other of the chain sprockets 18 and has an outer surface. In this case, package pressing portions 15 are provided at appropriate intervals so as to be arranged in the same row as the package pressing portion 13 of the first transport chain 5. Further, a bag closing device (not shown) such as a binding device or a heat sealing device that closes the bag mouth is provided in the preceding process of the device 1 for closing the closed portion of the package.

The cutter blade 7 may be a commercially available cutter knife replacement blade, and is fixed above the first transport chain 5 along the transport direction so that the blade edge faces the upper surface of the first transport chain 5. On both sides of the cutter blade 7, a pair of support plates 17 that support the cutter blade 7 and restrict the movement of the package 2 with the first transport chain 5 interposed therebetween are provided. Further, the cutter blade 7 and the support plate 17 are tilted so as to approach the first transport chain 5 in the traveling direction and are fixed along the transport direction of the first transport chain 5, after cutting the packaging body 2. As shown in FIG. 2, it passes through the concave groove 14 of the package pressing portion 13.

Next, a method of using the device 1 for cutting the closed part of the package will be described. Vegetables inside the plastic bag,
The packaging body 2 packed with confectionery or the like is advanced into a bag closing device such as a binding device or a heat sealing device, and the bag closing device 16 forms a bag mouth closing part 16 slightly inside the bag mouth end portion, and the storage portion 8 Is placed on the conveyor 3 and conveyed, the tip of the bag mouth of the package 2 is sandwiched by the sandwiching belt 4, and further placed on the first and second transport chains 5 and 6 to transport the package 2 downstream in the transport direction. Transfer.

When the wrapping body 2 approaches the cutter blade 7, the support plate 17 pushes the wrapping body 2 from above to prevent the wrapping body 2 from floating, and the cutter blade 7 is slightly outside the bag mouth closing portion 16 of the wrapping body 2. It is sandwiched between the blade tip and the upper surface of the first transport chain 5 and cut by the cutter blade 7. At this time, when the storage portion 8 of the package 2 tries to move backward due to the resistance of the cutter blade 7 and the support plate 17, the package pressing portion 1 protruding above the upper surfaces of the first and second transport chains 5 and 6.
3, 15 presses the packaging body 2 in the direction of the arrow a and suppresses its backward movement, and the cutter blade 7 that cuts the packaging body 2 passes through the concave groove 14 of the packaging body pressing portion 13 to move the next packaging body 2 Similarly, the package 2 cut and cut is conveyed to the next step by the conveyor 3, and the cutting waste is conveyed to another route by the sandwiching belt 4.

The distance between the bag mouth closing portion 16 and the cutter blade 7 varies depending on the size of the package 2, but is usually 10
~ 15mm is desirable.

Further, the conveyor 3, the holding belt 4, and the conveyor chains 5, 6 are vertically mounted, and the outer surface of the conveyor 3 is overhanged with shelves at appropriate intervals. It is also possible to place the package 2 and cut it while conveying it vertically.

[0016]

According to the device for cutting the closing portion of the package of the present invention, the package is automatically brought into contact with the cutter blade only by transferring the package by the package pressing portion projected on the transport chain, The length from the bag mouth closing part of the package can be automatically trimmed to a fixed length, and the cutter blade presses the package against the transport chain due to its inclination and cuts the package securely, It is possible to easily obtain a good packaging body, and since it can be continuously provided in the middle of a conveyor that conveys the packaging body, the device can be downsized and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view of a device for cutting a closed portion of a package according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a device for cutting a closed portion of a package according to an embodiment of the present invention.

FIG. 3 is a side view of a device for cutting a closed portion of a package according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Closing unit cutting device for packaging body 2 Packaging body 3 Conveyor 4 Clamping belt 5 First transport chain 6 Second transport chain 7 Cutter blade 8 Storage part 9,10 Pulley 11, 12 V belt 13,15 Package body pressing portion 14 recessed groove 16 bag mouth closing part 17 support plate 18 chain sprocket

Claims (1)

[Scope of utility model registration request] 1. A conveyor for transferring a storage part of a package in which a bag mouth closing portion is formed, and a holding belt for holding the bag mouth end portion of the package and moving in synchronization with the conveyor.
A transport chain that is disposed between the holding belt and the conveyor, supports between the bag mouth end portion and the bag mouth closing portion of the package, and moves in synchronization with the conveyor and the holding belt. , A cutter blade whose blade edge is inclined so as to approach the transport chain in the traveling direction of the transport chain and is fixed along the transport direction of the transport chain, and is packaged on the outer surface of the transport chain at appropriate intervals. A device for cutting a closed portion of a package, wherein a body pressing portion is provided so as to project, and a concave groove through which the cutter blade passes is formed in the package pressing portion along the conveying direction.